20639345

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 25671168

約数和(自身を除く): 5031823

約数列:

[1, 5, 47, 71, 235, 355, 1237, 3337, 6185, 16685, 58139, 87827, 290695, 439135, 4127869, 20639345]

約数ペア:

[(1, 20639345), (5, 4127869), (47, 439135), (71, 290695), (235, 87827), (355, 58139), (1237, 16685), (3337, 6185)]